GRE Practice Question and Answer
8Q: Sweety is 54 years old and her mother is 80. How many years ago was Sweety's mother three times her age? 1551 05b5cc6bae4d2b4197774d79e
5b5cc6bae4d2b4197774d79e- 120false
- 241true
- 326false
- 433false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "41"
Explanation :
Answer: B) 41 Explanation: Given P = 54 and M = 80 According to the question, Let ‘A’ years ago, M = 3P => M - A/P - A = 3 => 80 - A = 3(54 - A) => 80 - A = 162 - 3A => 2A = 82 => A = 41 Therefore, A = 41 years ago Sweety’s mother was 3 times of Sweety’s age. Hence, at the age S = 13 and M = 39.
Q: What animals eat both producers and consumers? 1547 05b5cc66de4d2b4197774bfc0
5b5cc66de4d2b4197774bfc0- 1Herbivoresfalse
- 2Omnivorestrue
- 3Carnivoresfalse
- 4Tertiary consumersfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Omnivores"
Explanation :
Answer: B) Omnivores Explanation: Animals and people who eat both animals and plants i.e, both producers and consumers are called omnivores.
Q: You can drop me from the longest building & I will be LIVE, but if you drop me in the water I DIE. WHO AM I? 1539 05b5cc678e4d2b4197774c157
5b5cc678e4d2b4197774c157- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
A Paper.
Q: LCD of 12 and 18 1537 05b5cc6b8e4d2b4197774d66b
5b5cc6b8e4d2b4197774d66b- 136true
- 242false
- 312false
- 46false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "36"
Explanation :
Answer: A) 36 Explanation: LCD is nothing but Lowest or Least Common Denominator Here LCD of 12 and 18 means LCD of two fractions with denominators 12 and 18 respectively. Therefore, LCM of 12 & 18 = 6 x 3 x 2 = 36 How to calculate LCD :: The lowest common denominator or least common denominator (LCD) is the least common multiple (LCM) of the denominators of a set of fractions.
Q: When all the students in a school are made to stand in rows of 54, 30 such rows are formed. If the students are made to stand in rows of 45, how many such rows will be formed ? 1533 05b5cc736e4d2b4197774f88d
5b5cc736e4d2b4197774f88d- 122false
- 236true
- 332false
- 426false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "36"
Explanation :
Answer: B) 36 Explanation: Total number of students = 54 x 30When arranged in rows of 45, number of rows formed are, 54x3045 = 36.
Q: Every year before the festive season, a brand store increases the price of the product by 42% and then introduce two successive discount of 10% and 11% respectively. What is percentage loss and percentage gain ? 1531 05b5cc745e4d2b4197774f9f9
5b5cc745e4d2b4197774f9f9- 13.25% lossfalse
- 213.742% lossfalse
- 33.25% gainfalse
- 413.742% gaintrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "13.742% gain"
Explanation :
Answer: D) 13.742% gain Explanation: Let CP = 100,42 % increase => SP = 14210 % discount in SP => ((142 x 10)/100) = 14.2So 1st SP = (142 - 14.2) = 127.8, again 12 % discount in 1st SP ((127.8 x 11)/100) = 14.0582nd SP = (127.8 - 14.058) = 113.742, So finally CP = 100, SP = 113.742, => gain = 13.742%.
Q: What one word has the most letters in it? 1531 05b5cc658e4d2b4197774bdcc
5b5cc658e4d2b4197774bdcc- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
ALPHABET is the only has the most letters in it. Alphabet has all the 26 letters from A - Z. Hence, ALPHABET is one word that has the most letters in it.
Q: Which is faster Light or Sound? 1529 15b5cc6b3e4d2b4197774d463
5b5cc6b3e4d2b4197774d463- 1Lighttrue
- 2Soundfalse
- 3Both are samefalse
- 4Can't be determinedfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Light"
Explanation :
Answer: A) Light Explanation: Light travels Faster than Sound. Light : 1. Light doesn't require a medium to travel. 2. It travels in the vaccum with the speed of 1,86,000 miles per second. Sound: 1. Sound rquire a medium. 2. It travels in the Air with the speed of 340 meters per second. 3. It travels Faster in Water than in Air. 4. It travels Faster in Steel than in Water.